Can you make friends after 30?

I just moved a few months ago and I've been trying. It's not that easy. But why?

In the last couple of years, I've moved twice -- once from New York City to Minneapolis, and once from Minneapolis to Dallas/Ft. Worth. I had a few good friends in Minneapolis while I was there, but I was there for graduate school and I met all those friends through graduate school (plus one couple my wife and I met via church, although we hung out with…